TVLine Items: The 100's New Grounder, Top Gear After Show and More

A new grounder is coming to The 100 — but will she pose a threat to Clarke & Co.?

Nadia Hilker, best known for appearing on the big screen in Allegiant, will appear in two episodes of the CW drama’s current season, according to The Wrap, though further details on her character aren’t yet known.

TVLine previously reported that the series is introducing a new group of grounders in an “unexpected location.” Could Hilker’s character be among this mysterious new clan?

Ready for more of today’s newsy nuggets? Well…

* BBC America announced Tuesday that new episodes of Top Gear (which kicks off Season 23 in May) will be followed by Extra Gear, an after show hosted by Rory Reid.

* TBS has given a pilot order to Rob Riggle’s Sportsbook, a weekly late-night program in which the former Daily Show correspondent combines his love of sports with his comedy and improv skills, Deadline reports.